3 Changes with Apache 2.3.5
5 Changes with Apache 2.3.4
7 *) Replace AcceptMutex, LockFile, RewriteLock, SSLMutex, SSLStaplingMutex,
8 and WatchdogMutexPath with a single Mutex directive. Add APIs to
9 simplify setup and user customization of APR proc and global mutexes.
10 (See util_mutex.h.) Build-time setting DEFAULT_LOCKFILE is no longer
11 respected; set DEFAULT_REL_RUNTIMEDIR instead. [Jeff Trawick]
13 *) http_core: KeepAlive no longer accepts other than On|Off.
16 *) mod_dav: Remove errno from dav_error interface. Calls to dav_new_error()
17 and dav_new_error_tag() must be adjusted to add an apr_status_t parameter.
20 *) mod_authnz_ldap: Add AuthLDAPBindAuthoritative to allow Authentication to
21 try other providers in the case of an LDAP bind failure.
22 PR 46608 [Justin Erenkrantz, Joe Schaefer, Tony Stevenson]
24 *) Build: fix --with-module to work as documented
25 PR 43881 [Gez Saunders <gez.saunders virgin.net>]
27 Changes with Apache 2.3.3
29 *) SECURITY: CVE-2009-3095 (cve.mitre.org)
30 mod_proxy_ftp: sanity check authn credentials.
31 [Stefan Fritsch <sf fritsch.de>, Joe Orton]
33 *) SECURITY: CVE-2009-3094 (cve.mitre.org)
34 mod_proxy_ftp: NULL pointer dereference on error paths.
35 [Stefan Fritsch <sf fritsch.de>, Joe Orton]
36 *) mod_ssl: enable support for ECC keys and ECDH ciphers. Tested against
37 OpenSSL 1.0.0b3. [Vipul Gupta <vipul.gupta sun.com>, Sander Temme]
39 *) mod_dav: Include uri when logging a PUT error due to connection abort.
40 PR 38149. [Stefan Fritsch]
42 *) mod_dav: Return 409 instead of 500 for a LOCK request if the parent
43 resource does not exist or is not a collection. PR 43465. [Stefan Fritsch]
45 *) mod_dav_fs: Return 409 instead of 500 for Litmus test case copy_nodestcoll
46 (a COPY request where the parent of the destination resource does not
47 exist). PR 39299. [Stefan Fritsch]
49 *) mod_dav_fs: Don't delete the whole file if a PUT with content-range failed.
50 PR 42896. [Stefan Fritsch]
52 *) mod_dav_fs: Make PUT create files atomically and no longer destroy the
53 old file if the transfer aborted. PR 39815. [Paul Querna, Stefan Fritsch]
55 *) mod_dav_fs: Remove inode keyed locking as this conflicts with atomically
56 creating files. On systems with inode numbers, this is a format change of
57 the DavLockDB. The old DavLockDB must be deleted on upgrade.
60 *) mod_log_config: Make ${cookie}C correctly match whole cookie names
61 instead of substrings. PR 28037. [Dan Franklin <dan dan-franklin.com>,
64 *) vhost: A purely-numeric Host: header should not be treated as a port.
67 *) mod_ldap: Avoid 500 errors with "Unable to set LDAP_OPT_REFHOPLIMIT option to 5"
68 when built against openldap by using SDK LDAP_OPT_REFHOPLIMIT defaults unless
69 LDAPReferralHopLimit is explicitly configured.
72 *) mod_charset_lite: Honor 'CharsetOptions NoImplicitAdd'.
75 *) mod_ssl: Add support for OCSP Stapling. PR 43822.
76 [Dr Stephen Henson <shenson oss-institute.org>]
78 *) mod_socache_shmcb: Allow parens in file name if cache size is given.
79 Fixes SSLSessionCache directive mis-parsing parens in pathname.
80 PR 47945. [Stefan Fritsch]
82 *) htpasswd: Improve out of disk space handling. PR 30877. [Stefan Fritsch]
84 *) htpasswd: Use MD5 hash by default on all platforms. [Stefan Fritsch]
86 *) mod_sed: Reduce memory consumption when processing very long lines.
87 PR 48024 [Basant Kumar Kukreja <basant.kukreja sun.com>]
89 *) ab: Fix segfault in case the argument for -n is a very large number.
90 PR 47178. [Philipp Hagemeister <oss phihag.de>]
92 *) Allow ProxyPreserveHost to work in <Proxy> sections. PR 34901.
95 *) configure: Fix THREADED_MPMS so that mod_cgid is enabled again
96 for worker MPM. [Takashi Sato]
98 *) mod_dav: Provide a mechanism to obtain the request_rec and pathname
99 from the dav_resource. [Jari Urpalainen <jari.urpalainen nokia.com>,
100 Brian France <brian brianfrance.com>]
102 *) Build: Use install instead of cp if available on installing
103 modules to avoid segmentation fault. PR 47951. [hirose31 gmail.com]
105 *) mod_cache: correctly consider s-maxage in cacheability
106 decisions. [Dan Poirier]
108 *) mod_logio/core: Report more accurate byte counts in mod_status if
109 mod_logio is loaded. PR 25656. [Stefan Fritsch]
111 *) mod_ldap: If LDAPSharedCacheSize is too small, try harder to purge
112 some cache entries and log a warning. Also increase the default
113 LDAPSharedCacheSize to 500000. This is a more realistic size suitable
114 for the default values of 1024 for LdapCacheEntries/LdapOpCacheEntries.
115 PR 46749. [Stefan Fritsch]
117 *) mod_rewrite: Make sure that a hostname:port isn't fully qualified if
118 the request is a CONNECT request. [Bill Zajac <billz consultla.com>]
120 *) mod_cache: Teach CacheEnable and CacheDisable to work from within a
121 Location section, in line with how ProxyPass works. [Graham Leggett]
123 *) mod_reqtimeout: New module to set timeouts and minimum data rates for
124 receiving requests from the client. [Stefan Fritsch]
126 *) core: Fix potential memory leaks by making sure to not destroy
127 bucket brigades that have been created by earlier filters.
130 *) core, mod_deflate, mod_sed: Reduce memory usage by reusing bucket
131 brigades in several places. [Stefan Fritsch]
133 *) mod_cache: Fix uri_meets_conditions() so that CacheEnable will
134 match by scheme, or by a wildcarded hostname. PR 40169
135 [Peter Grandi <pg_asf asf.for.sabi.co.uk>, Graham Leggett]
137 *) suxec: Allow to log an error if exec fails by setting FD_CLOEXEC
138 on the log file instead of closing it. PR 10744. [Nicolas Rachinsky]
140 *) mod_mime: Make RemoveType override the info from TypesConfig.
141 PR 38330. [Stefan Fritsch]
143 *) mod_cache: Introduce the option to run the cache from within the
144 normal request handler, and to allow fine grained control over
145 where in the filter chain content is cached. [Graham Leggett]
147 *) core: Treat timeout reading request as 408 error, not 400.
148 Log 408 errors in access log as was done in Apache 1.3.x.
149 PR 39785 [Nobutaka Mantani <nobutaka nobutaka.org>,
150 Stefan Fritsch <sf fritsch.de>, Dan Poirier]
152 *) mod_ssl: Reintroduce SSL_CLIENT_S_DN, SSL_CLIENT_I_DN, SSL_SERVER_S_DN,
153 SSL_SERVER_I_DN back to the environment variables to be set by mod_ssl.
154 [Peter Sylvester <peter.sylvester edelweb.fr>]
156 *) mod_disk_cache: don't cache incomplete responses, per RFC 2616, 13.8.
157 PR15866. [Dan Poirier]
159 *) ab: ab segfaults in verbose mode on https sites
160 PR46393. [Ryan Niebur]
162 *) mod_dav: Allow other modules to become providers and add resource types
163 to the DAV response. [Jari Urpalainen <jari.urpalainen nokia.com>,
164 Brian France <brian brianfrance.com>]
166 *) mod_dav: Allow other modules to add things to the DAV or Allow headers
167 of an OPTIONS request. [Jari Urpalainen <jari.urpalainen nokia.com>,
168 Brian France <brian brianfrance.com>]
170 *) core: Lower memory usage of core output filter.
171 [Stefan Fritsch <sf sfritsch.de>]
173 *) mod_mime: Detect invalid use of MultiviewsMatch inside Location and
174 LocationMatch sections. PR47754. [Dan Poirier]
176 *) mod_request: Make sure the KeptBodySize directive rejects values
177 that aren't valid numbers. [Graham Leggett]
179 *) mod_session_crypto: Sanity check should the potentially encrypted
180 session cookie be too short. [Graham Leggett]
182 *) mod_session.c: Prevent a segfault when session is added but not
183 configured. [Graham Leggett]
185 *) htcacheclean: 19 ways to fail, 1 error message. Fixed. [Graham Leggett]
187 *) mod_auth_digest: Fail server start when nonce count checking
188 is configured without shared memory, or md5-sess algorithm is
189 configured. [Dan Poirier]
191 *) mod_proxy_connect: The connect method doesn't work if the client is
192 connecting to the apache proxy through an ssl socket. Fixed.
193 PR29744. [Brad Boyer, Mark Cave-Ayland, Julian Gilbey, Fabrice Durand,
194 David Gence, Tim Dodge, Per Gunnar Hans, Emmanuel Elango,
195 Kevin Croft, Rudolf Cardinal]
197 *) mod_ssl: The error message when SSLCertificateFile is missing should
198 at least give the name or position of the problematic virtual host
199 definition. [Stefan Fritsch sf sfritsch.de]
201 *) mod_auth_digest: Fix null pointer when qop=none. [Dan Poirier]
203 *) Add support for HTTP PUT to ab. [Jeff Barnes <jbarnesweb yahoo.com>]
205 *) mod_headers: generalise the envclause to support expression
206 evaluation with ap_expr parser [Nick Kew]
208 *) mod_cache: Introduce the thundering herd lock, a mechanism to keep
209 the flood of requests at bay that strike a backend webserver as
210 a cached entity goes stale. [Graham Leggett]
212 *) mod_auth_digest: Fix usage of shared memory and re-enable it.
213 PR 16057 [Dan Poirier]
215 *) Preserve Port information over internal redirects
216 PR 35999 [Jonas Ringh <jonas.ringh cixit.se>]
218 *) Proxy: unable to connect to a backend is SERVICE_UNAVAILABLE,
219 rather than BAD_GATEWAY or (especially) NOT_FOUND.
220 PR 46971 [evanc nortel.com]
222 *) Various modules: Do better checking of pollset operations in order to
223 avoid segmentation faults if they fail. PR 46467
224 [Stefan Fritsch <sf sfritsch.de>]
226 *) mod_autoindex: Correctly create an empty cell if the description
227 for a file is missing. PR 47682 [Peter Poeml <poeml suse.de>]
229 *) ab: Fix broken error messages after resolver or connect() failures.
232 *) SECURITY: CVE-2009-1890 (cve.mitre.org)
233 Fix a potential Denial-of-Service attack against mod_proxy in a
234 reverse proxy configuration, where a remote attacker can force a
235 proxy process to consume CPU time indefinitely. [Nick Kew, Joe Orton]
237 *) SECURITY: CVE-2009-1191 (cve.mitre.org)
238 mod_proxy_ajp: Avoid delivering content from a previous request which
239 failed to send a request body. PR 46949 [Ruediger Pluem]
241 *) htdbm: Fix possible buffer overflow if dbm database has very
242 long values. PR 30586 [Dan Poirier]
244 *) core: Return APR_EOF if request body is shorter than the length announced
245 by the client. PR 33098 [ Stefan Fritsch <sf sfritsch.de>]
247 *) mod_suexec: correctly set suexec_enabled when httpd is run by a
248 non-root user and may have insufficient permissions.
249 PR 42175 [Jim Radford <radford blackbean.org>]
251 *) mod_ssl: Fix SSL_*_DN_UID variables to use the 'userID' attribute
252 type. PR 45107. [Michael Ströder <michael stroeder.com>,
253 Peter Sylvester <peter.sylvester edelweb.fr>]
255 *) mod_proxy_http: fix case sensitivity checking transfer encoding
256 PR 47383 [Ryuzo Yamamoto <ryuzo.yamamoto gmail.com>]
258 *) mod_alias: ensure Redirect issues a valid URL.
259 PR 44020 [HÃ¥kon Stordahl <hakon stordahl.org>]
261 *) mod_dir: add FallbackResource directive, to enable admin to specify
262 an action to happen when a URL maps to no file, without resorting
263 to ErrorDocument or mod_rewrite. PR 47184 [Nick Kew]
265 *) mod_cgid: Do not leak the listening Unix socket file descriptor to the
266 CGI process. PR 47335 [Kornél Pál <kornelpal gmail.com>]
268 *) mod_rewrite: Remove locking for writing to the rewritelog.
269 PR 46942 [Dan Poirier <poirier pobox.com>]
271 *) mod_alias: check sanity in Redirect arguments.
272 PR 44729 [Sönke Tesch <st kino-fahrplan.de>, Jim Jagielski]
274 *) mod_proxy_http: fix Host: header for literal IPv6 addresses.
275 PR 47177 [Carlos Garcia Braschi <cgbraschi gmail.com>]
277 *) mod_cache: Add CacheIgnoreURLSessionIdentifiers directive to ignore
278 defined session identifiers encoded in the URL when caching.
281 *) mod_rewrite: Fix the error string returned by RewriteRule.
282 RewriteRule returned "RewriteCond: bad flag delimiters" when the 3rd
283 argument of RewriteRule was not started with "[" or not ended with "]".
284 PR 45082 [Vitaly Polonetsky <m_vitaly topixoft.com>]
286 *) Windows: Fix usage message.
289 *) apachectl: When passing through arguments to httpd in
290 non-SysV mode, use the "$@" syntax to preserve arguments.
293 *) mod_dbd: add DBDInitSQL directive to enable SQL statements to
294 be run when a connection is opened. PR 46827
295 [Marko Kevac <mkevac gmail.com>]
297 *) mod_cgid: Improve handling of long AF_UNIX socket names (ScriptSock).
298 PR 47037. [Jeff Trawick]
300 *) mod_proxy_ajp: Check more strictly that the backend follows the AJP
301 protocol. [Mladen Turk]
303 *) mod_proxy_ajp: Forward remote port information by default.
306 *) Allow MPMs to be loaded dynamically, as with most other modules. Use
307 --enable-mpms-shared={list|"all"} to enable. This required changes to
308 the MPM interfaces. Removed: mpm.h, mpm_default.h (as an installed
309 header), APACHE_MPM_DIR, MPM_NAME, ap_threads_per_child,
310 ap_max_daemons_limit, ap_my_generation, etc. ap_mpm_query() can't be
311 called until after the register-hooks phase. [Jeff Trawick]
313 *) mod_ssl: Add SSLProxyCheckPeerExpire and SSLProxyCheckPeerCN directives
314 to enable stricter checking of remote server certificates.
317 *) ab: Fix a 100% CPU loop on platforms where a failed non-blocking connect
318 returns EINPROGRESS and a subsequent poll() returns only POLLERR.
319 Observed on HP-UX. [Eric Covener]
321 *) Remove broken support for BeOS, OS/2, TPF, and even older platforms such
322 as A/UX, Next, and Tandem. [Jeff Trawick]
324 *) mod_proxy_ftp: Add ProxyFtpListOnWildcard directive to allow files with
325 globbing characters to be retrieved instead of converted into a
326 directory listing. PR 46789 [Dan Poirier <poirier pobox.com>]
328 *) Provide ap_retained_data_create()/ap_retained_data_get() for preservation
329 of module state across unload/load. [Jeff Trawick]
331 *) mod_substitute: Fix a memory leak. PR 44948
332 [Dan Poirier <poirier pobox.com>]
334 Changes with Apache 2.3.2
336 *) mod_mime_magic: Fix detection of compressed content. [Rainer Jung]
338 *) mod_negotiation: Escape pathes of filenames in 406 responses to avoid
339 HTML injections and HTTP response splitting. PR 46837.
340 [Geoff Keating <geoffk apple.com>]
342 *) mod_ssl: add support for type-safe STACK constructs in OpenSSL
343 development HEAD. PR 45521. [Kaspar Brand, Sander Temme]
345 *) ab: Fix maintenance of the pollset to resolve EALREADY errors
346 with kqueue (BSD/OS X) and excessive CPU with event ports (Solaris).
347 PR 44584. Use APR_POLLSET_NOCOPY for better performance with some
348 pollset implementations. [Jeff Trawick]
350 *) mod_disk_cache: The module now turns off sendfile support if
351 'EnableSendfile off' is defined globally. [Lars Eilebrecht]
353 *) mod_deflate: Adjust content metadata before bailing out on 304
354 responses so that the metadata does not differ from 200 response.
357 *) mod_deflate: Fix creation of invalid Etag headers. We now make sure
358 that the Etag value is properly quoted when adding the gzip marker.
359 PR 39727, 45023. [Lars Eilebrecht, Roy T. Fielding]
361 *) Added 20x22 icons for ODF, SVG, and XML documents. PR 37185.
364 *) Disabled DefaultType directive and removed ap_default_type()
365 from core. We now exclude Content-Type from responses for which
366 a media type has not been configured via mime.types, AddType,
367 ForceType, or some other mechanism. PR 13986. [Roy T. Fielding]
369 *) mod_rewrite: Add IPV6 variable to RewriteCond
370 [Ryan Phillips <ryan-apache trolocsis.com>]
372 *) core: Enhance KeepAliveTimeout to support a value in milliseconds.
373 PR 46275. [Takashi Sato]
375 *) rotatelogs: Allow size units B, K, M, G and combination of
376 time and size based rotation. [Rainer Jung]
378 *) rotatelogs: Add flag for verbose (debug) output. [Rainer Jung]
380 *) mod_ssl: Fix merging of SSLRenegBufferSize directive. PR 46508
381 [<tlhackque yahoo.com>]
383 *) core: Translate the the status line to ASCII on EBCDIC platforms in
384 ap_send_interim_response() and for locally generated "100 Continue"
385 responses. [Eric Covener]
387 *) prefork: Fix child process hang during graceful restart/stop in
388 configurations with multiple listening sockets. PR 42829. [Joe Orton,
391 *) mod_session_crypto: Ensure that SessionCryptoDriver can only be
392 set in the global scope. [Graham Leggett]
394 *) mod_ext_filter: We need to detect failure to startup the filter
395 program (a mangled response is not acceptable). Fix to detect
396 failure, and offer configuration option either to abort or
397 to remove the filter and continue.
400 *) mod_session_crypto: Rewrite the session_crypto module against the
401 apr_crypto API. [Graham Leggett]
403 *) mod_auth_form: Fix a pool lifetime issue, don't remove the subrequest
404 until the main request is cleaned up. [Graham Leggett]
406 Changes with Apache 2.3.1
408 *) ap_slotmem: Add in new slot-based memory access API impl., including
409 2 providers (mod_sharedmem and mod_plainmem) [Jim Jagielski,
410 Jean-Frederic Clere, Brian Akins <brian.akins turner.com>]
412 *) mod_include: support generating non-ASCII characters as entities in SSI
415 *) core/utils: Enhance ap_escape_html API to support escaping non-ASCII chars
418 *) mod_rewrite: fix "B" flag breakage by reverting r5589343
419 PR 45529 [Bob Ionescu <bobsiegen googlemail.com>]
421 *) CGI: return 504 (Gateway timeout) rather than 500 when a script
422 times out before returning status line/headers.
425 *) mod_cgid: fix segfault problem on solaris.
426 PR 39332 [Masaoki Kobayashi <masaoki techfirm.co.jp>]
428 *) mod_proxy_scgi: Added. [André Malo]
430 *) mod_cache: Introduce 'no-cache' per-request environment variable
431 to prevent the saving of an otherwise cacheable response.
434 *) mod_rewrite: Introduce DiscardPathInfo|DPI flag to stop the troublesome
435 way that per-directory rewrites append the previous notion of PATH_INFO
436 to each substitution before evaluating subsequent rules.
437 PR 38642 [Eric Covener]
439 *) mod_cgid: Do not add an empty argument when calling the CGI script.
440 PR 46380 [Ruediger Pluem]
442 *) scoreboard: Remove unused sb_type from process_score.
443 [Torsten Foertsch <torsten.foertsch gmx.net>, Chris Darroch]
445 *) mod_ssl: Add SSLRenegBufferSize directive to allow changing the
446 size of the buffer used for the request-body where necessary
447 during a per-dir renegotiation. PR 39243. [Joe Orton]
449 *) mod_proxy_fdpass: New module to pass a client connection over to a separate
450 process that is reading from a unix daemon socket.
452 *) mod_ssl: Improve environment variable extraction to be more
453 efficient and to correctly handle DNs with duplicate tags.
454 PR 45975. [Joe Orton]
456 *) Remove the obsolete serial attribute from the RPM spec file. Compile
457 against the external pcre. Add missing binaries fcgistarter, and
458 mod_socache* and mod_session*. [Graham Leggett]
460 Changes with Apache 2.3.0
462 *) mod_ratelimit: New module to do bandwidth rate limiting. [Paul Querna]
464 *) Remove X-Pad header which was added as a work around to a bug in
465 Netscape 2.x to 4.0b2. [Takashi Sato <takashi lans-tv.com>]
467 *) Add DTrace Statically Defined Tracing (SDT) probes.
468 [Theo Schlossnagle <jesus omniti.com>, Paul Querna]
470 *) mod_proxy_balancer: Move all load balancing implementations
471 as individual, self-contained mod_proxy submodules under
472 modules/proxy/balancers [Jim Jagielski]
474 *) Rename APIs to include ap_ prefix:
475 find_child_by_pid -> ap_find_child_by_pid
476 suck_in_APR -> ap_suck_in_APR
477 sys_privileges_handlers -> ap_sys_privileges_handlers
478 unixd_accept -> ap_unixd_accept
479 unixd_config -> ap_unixd_config
480 unixd_killpg -> ap_unixd_killpg
481 unixd_set_global_mutex_perms -> ap_unixd_set_global_mutex_perms
482 unixd_set_proc_mutex_perms -> ap_unixd_set_proc_mutex_perms
483 unixd_set_rlimit -> ap_unixd_set_rlimit
486 *) core: When the ap_http_header_filter processes an error bucket, cleanup
487 the passed brigade before returning AP_FILTER_ERROR down the filter
488 chain. This unambiguously ensures the same error bucket isn't revisited
491 *) mod_lbmethod_heartbeat: New module to load balance mod_proxy workers
492 based on heartbeats. [Paul Querna]
494 *) mod_heartmonitor: New module to collect heartbeats, and write out a file
495 so that other modules can load balance traffic as needed. [Paul Querna]
497 *) mod_heartbeat: New module to generate multicast heartbeats to know if a
498 server is online. [Paul Querna]
500 *) core: Error responses set by filters were being coerced into 500 errors,
501 sometimes appended to the original error response. Log entry of:
502 'Handler for (null) returned invalid result code -3'
505 *) mod_buffer: Honour the flush bucket and flush the buffer in the
506 input filter. Make sure that metadata buckets are written to
507 the buffer, not to the final brigade. [Graham Leggett]
509 *) mod_buffer: Optimise the buffering of heap buckets when the heap
510 buckets stay exactly APR_BUCKET_BUFF_SIZE long. [Graham Leggett,
513 *) mod_buffer: Optional support for buffering of the input and output
514 filter stacks. Can collapse many small buckets into fewer larger
515 buckets, and prevents excessively small chunks being sent over
516 the wire. [Graham Leggett]
518 *) mod_privileges: new module to make httpd on Solaris privileges-aware
519 and to enable different virtualhosts to run with different
520 privileges and Unix user/group IDs [Nick Kew]
522 *) mod_mem_cache: this module has been removed. [William Rowe]
524 *) authn/z: Remove mod_authn_default and mod_authz_default.
527 *) authz: Fix handling of authz configurations, make default authz
528 logic replicate 2.2.x authz logic, and replace <Satisfy*>, Reject,
529 and AuthzMergeRules directives with Match, <Match*>, and AuthzMerge
530 directives. [Chris Darroch]
532 *) mod_authn_core: Prevent crash when provider alias created to
533 provider which is not yet registered. [Chris Darroch]
535 *) mod_authn_core: Add AuthType of None to support disabling
536 authentication. [Chris Darroch]
538 *) core: Allow <Limit> and <LimitExcept> directives to nest, and
539 constrain their use to conform with that of other access control
540 and authorization directives. [Chris Darroch]
542 *) unixd: turn existing code into a module, and turn the set user/group
543 and chroot into a child_init function. [Nick Kew]
545 *) core: Add ap_timeout_parameter_parse to public API. [Ruediger Pluem]
547 *) mod_dir: Support "DirectoryIndex disabled"
548 Suggested By André Warnier <aw ice-sa.com> [Eric Covener]
550 *) mod_ssl: Send Content-Type application/ocsp-request for POST requests to
551 OSCP responders. PR 46014 [Dr Stephen Henson <steve openssl.org>]
553 *) Export and install the mod_rewrite.h header to ensure the optional
554 rewrite_mapfunc_t and ap_register_rewrite_mapfunc functions are
555 available to third party modules. [Graham Leggett]
557 *) mod_authnz_ldap: don't return NULL-valued environment variables to
558 other modules. PR 39045 [Francois Pesce <francois.pesce gmail.com>]
560 *) Don't adjust case in pathname components that are not of interest
561 to mod_mime. Fixes mod_negotiation's use of such components.
562 PR 43250 [Basant Kumar Kukreja <basant.kukreja sun.com>]
564 *) Be tolerant in what you accept - accept slightly broken
565 status lines from a backend provide they include a valid status code.
566 PR 44995 [Rainer Jung <rainer.jung kippdata.de>]
568 *) New module mod_sed: filter Request/Response bodies through sed
569 [Basant Kumar Kukreja <basant.kukreja sun.com>]
571 *) mod_auth_form: Make sure that basic authentication is correctly
572 faked directly after login. [Graham Leggett]
574 *) mod_session_cookie, mod_session_dbd: Make sure cookies are set both
575 within the output headers and error output headers, so that the
576 session is maintained across redirects. [Graham Leggett]
578 *) mod_auth_form: Make sure the logged in user is populated correctly
579 after a form login. Fixes a missing REMOTE_USER variable directly
580 following a login. [Graham Leggett]
582 *) mod_session_cookie: Make sure that cookie attributes are correctly
583 included in the blank cookie when cookies are removed. This fixes an
584 inability to log out when using mod_auth_form. [Graham Leggett]
586 *) mod_autoindex: add configuration option to insert string
587 in HTML HEAD. [Nick Kew]
589 *) mod_session: Prevent a segfault when a CGI script sets a cookie with a
590 null value. [David Shane Holden <dpejesh apache.org>]
592 *) mod_headers: Prevent Header edit from processing only the first header
593 of possibly multiple headers with the same name and deleting the
594 remaining ones. PR 45333. [Ruediger Pluem]
596 *) mod_rewrite: Preserve the query string with [proxy,noescape]. PR 45247
599 *) core, authn/z: Determine registered authn/z providers directly in
600 ap_setup_auth_internal(), which allows optional functions that just
601 wrapped ap_list_provider_names() to be removed from authn/z modules.
604 *) authn/z: Convert common provider version strings to macros.
607 *) ab: Make ab.c compile on VC6. PR 45024 [Ruediger Pluem]
609 *) configure: Don't reject libtool 2.x
610 PR 44817 [Arfrever Frehtes Taifersar Arahesis <Arfrever.FTA gmail.com>]
612 *) core: When testing for slash-terminated configuration paths in
613 ap_location_walk(), don't look past the start of an empty string
614 such as that created by a <Location ""> directive.
617 *) core, mod_proxy: If a kept_body is present, it becomes safe for
618 subrequests to support message bodies. Make sure that safety
619 checks within the core and within the proxy are not triggered
620 when kept_body is present. This makes it possible to embed
621 proxied POST requests within mod_include. [Graham Leggett]
623 *) mod_auth_form: Make sure the input filter stack is properly set
624 up before reading the login form. Make sure the kept body filter
625 is correctly inserted to ensure the body can be read a second
626 time safely should the authn be successful. [Graham Leggett,
629 *) mod_request: Insert the KEPT_BODY filter via the insert_filter
630 hook instead of during fixups. Add a safety check to ensure the
631 filters cannot be inserted more than once. [Graham Leggett,
634 *) core: Do not allow Options ALL if not all options are allowed to be
635 overwritten. PR 44262 [Michał Grzędzicki <lazy iq.pl>]
637 *) ap_cache_cacheable_headers_out() will (now) always
638 merge an error headers _before_ clearing them and _before_
639 merging in the actual entity headers and doing normal
640 hop-by-hop cleansing. [Dirk-Willem van Gulik].
642 *) cache: retire ap_cache_cacheable_hdrs_out() which was used
643 for both in- and out-put headers; and replace it by a single
644 ap_cache_cacheable_headers() wrapped in a in- and out-put
645 specific ap_cache_cacheable_headers_in()/out(). The latter
646 which will also merge error and ensure content-type. To keep
647 cache modules consistent with ease. This API change bumps
648 up the minor MM by one [Dirk-Willem van Gulik].
650 *) mod_rewrite: Allow Cookie option to set secure and HttpOnly flags.
651 PR 44799 [Christian Wenz <christian wenz.org>]
653 *) Move the KeptBodySize directive, kept_body filters and the
654 ap_parse_request_body function out of the http module and into a
655 new module called mod_request, reducing the size of the core.
658 *) mod_dbd: Handle integer configuration directive parameters with a
661 *) Change the directives within the mod_session* modules to be valid
662 both inside and outside the location/directory sections, as
663 suggested by wrowe. [Graham Leggett]
665 *) mod_auth_form: Add a module capable of allowing end users to log
666 in using an HTML form, storing the credentials within mod_session.
669 *) Add a function to the http filters that is able to parse an HTML
670 form request with the type of application/x-www-form-urlencoded.
673 *) mod_session_crypto: Initialise SSL in the post config hook.
674 [Ruediger Pluem, Graham Leggett]
676 *) mod_session_dbd: Add a session implementation capable of storing
677 session information in a SQL database via the dbd interface. Useful
678 for sites where session privacy is important. [Graham Leggett]
680 *) mod_session_crypto: Add a session encoding implementation capable
681 of encrypting and decrypting sessions wherever they may be stored.
682 Introduces a level of privacy when sessions are stored on the
683 browser. [Graham Leggett]
685 *) mod_session_cookie: Add a session implementation capable of storing
686 session information within cookies on the browser. Useful for high
687 volume sites where server bound sessions are too resource intensive.
690 *) mod_session: Add a generic session interface to unify the different
691 attempts at saving persistent sessions across requests.
694 *) core, authn/z: Avoid calling access control hooks for internal requests
695 with configurations which match those of initial request. Revert to
696 original behaviour (call access control hooks for internal requests
697 with URIs different from initial request) if any access control hooks or
698 providers are not registered as permitting this optimization.
699 Introduce wrappers for access control hook and provider registration
700 which can accept additional mode and flag data. [Chris Darroch]
702 *) Introduced ap_expr API for expression evaluation.
703 This is adapted from mod_include, which is the first module
707 *) mod_authz_dbd: When redirecting after successful login/logout per
708 AuthzDBDRedirectQuery, do not report authorization failure, and use
709 first row returned by database query instead of last row.
712 *) mod_ldap: Correctly return all requested attribute values
713 when some attributes have a null value.
714 PR 44560 [Anders Kaseorg <anders kaseorg.com>]
716 *) core: check symlink ownership if both FollowSymlinks and
717 SymlinksIfOwnerMatch are set [Nick Kew]
719 *) core: fix origin checking in SymlinksIfOwnerMatch
720 PR 36783 [Robert L Mathews <rob-apache.org.bugs tigertech.net>]
722 *) Activate mod_cache, mod_file_cache and mod_disk_cache as part of the
723 'most' set for '--enable-modules' and '--enable-shared-mods'. Include
724 mod_mem_cache in 'all' as well. [Dirk-Willem van Gulik]
726 *) Also install mod_so.h, mod_rewrite.h and mod_cache.h; as these
727 contain public function declarations which are useful for
728 third party module authors. PR 42431 [Dirk-Willem van Gulik].
730 *) mod_dir, mod_negotiation: pass the output filter information
731 to newly created sub requests; as these are later on used
732 as true requests with an internal redirect. This allows for
733 mod_cache et.al. to trap the results of the redirect.
734 [Dirk-Willem van Gulik, Ruediger Pluem]
736 *) mod_ldap: Add support (taking advantage of the new APR capability)
737 for ldap rebind callback while chasing referrals. This allows direct
738 searches on LDAP servers (in particular MS Active Directory 2003+)
739 using referrals without the use of the global catalog.
740 PRs 26538, 40268, and 42557 [Paul J. Reder]
742 *) mod_ssl: Added server name indication support (SNI, RFC 4366).
743 PR 34607. [Kaspar Brand <asfbugz velox.ch>]. A test configuration
744 can be created with test/make_sni.sh [Dirk-Willem van Gulik].
746 *) ApacheMonitor.exe: Introduce --kill argument for use by the
747 installer. This will permit the installation tool to remove
748 all running instances before attempting to remove the .exe.
751 *) mod_ssl: Add support for OCSP validation of client certificates.
752 PR 41123. [Marc Stern <marc.stern approach.be>, Joe Orton]
754 *) mod_serf: New module for Reverse Proxying. [Paul Querna]
756 *) core: Add the option to keep aside a request body up to a certain
757 size that would otherwise be discarded, to be consumed by filters
758 such as mod_include. When enabled for a directory, POST requests
759 to shtml files can be passed through to embedded scripts as POST
760 requests, rather being downgraded to GET requests. [Graham Leggett]
762 *) mod_ssl: Fix TLS upgrade (RFC 2817) support. PR 41231. [Joe Orton]
764 *) scoreboard: Correctly declare ap_time_process_request.
765 PR 43789 [Tom Donovan <Tom.Donovan acm.org>]
767 *) core; scoreboard: ap_get_scoreboard_worker(sbh) now takes the sbh member
768 from the connection rec, ap_get_scoreboard_worker(proc, thread) will now
769 provide the unusual legacy lookup. [William Rowe]
771 *) mpm winnt: fix null pointer dereference
772 PR 42572 [Davi Arnaut]
774 *) mod_authnz_ldap, mod_authn_dbd: Tidy up the code to expose authn
775 parameters to the environment. Improve portability to
776 EBCDIC machines by using apr_toupper(). [Martin Kraemer]
778 *) mod_ldap, mod_authnzldap: Add support for nested groups (i.e. the ability
779 to authorize an authenticated user via a "require ldap-group X" directive
780 where the user is not in group X, but is in a subgroup contained in X.
781 PR 42891 [Paul J. Reder]
783 *) mod_ssl: Add support for caching SSL Sessions in memcached. [Paul Querna]
785 *) mod_ldap: Fix the search limit parameter to ldap_search_ext_s()
786 for SDKs that define LDAP_NO_LIMIT to something other than -1.
787 [David Jones <oscaremma gmail.com>]
789 *) apxs: Enhance -q flag to print all known variables and their values
790 when invoked without variable name(s).
791 [William Rowe, Sander Temme]
793 *) apxs: Eliminate run-time check for mod_so. PR 40653.
794 [David M. Lee <dmlee crossroads.com>]
796 *) beos MPM: Create pmain pool and run modules' child_init hooks when
797 entering ap_mpm_run(), then destroy pmain when exiting ap_mpm_run().
800 *) netware MPM: Destroy pmain pool when exiting ap_mpm_run() so that
801 cleanups registered in modules' child_init hooks are performed.
804 *) mod_dbd: Stash DBD connections in request_config of initial request
805 only, or else sub-requests and internal redirections may cause
806 entire DBD pool to be stashed in a single HTTP request. [Chris Darroch]
808 *) Fix issue which could cause error messages to be written to access logs
809 on Win32. PR 40476. [Tom Donovan <Tom.Donovan acm.org>]
811 *) The LockFile directive, which specifies the location of
812 the accept() mutex lockfile, is deprecated. Instead, the
813 AcceptMutex directive now takes an optional lockfile
814 location parameter, ala SSLMutex. [Jim Jagielski]
816 *) mod_authn_dbd: Export any additional columns queried in the SQL select
817 into the environment with the name AUTHENTICATE_<COLUMN>. This brings
818 mod_authn_dbd behaviour in line with mod_authnz_ldap. [Graham Leggett]
820 *) mod_dbd: Key the storage of prepared statements on the hex string
821 value of server_rec, rather than the server name, as the server name
822 may change (eg when the server name is set) at any time, causing
823 weird behaviour in modules dependent on mod_dbd. [Graham Leggett]
825 *) mod_proxy_fcgi: Added win32 build. [Mladen Turk]
827 *) sendfile_nonblocking() takes the _brigade_ as an argument, gets
828 the first bucket from the brigade, finds it not to be a FILE
829 bucket and barfs. The fix is to pass a bucket rather than a brigade.
830 [Niklas Edmundsson <nikke acc.umu.se>]
832 *) mod_rewrite: support rewritemap by SQL query [Nick Kew]
834 *) ap_get_server_version() has been removed. Third-party modules must
835 now use ap_get_server_banner() or ap_get_server_description().
838 *) All MPMs: Introduce a check_config phase between pre_config and
839 open_logs, to allow modules to review interdependent configuration
840 directive values and adjust them while messages can still be logged
841 to the console. Handle relevant MPM directives during this phase
842 and format messages for both the console and the error log, as
843 appropriate. [Chris Darroch]
845 *) mod_proxy: don't URLencode tilde in path component
846 [Stijn Hoop <stijn sandcat.nl>]
848 *) mpm_winnt: Fix return values from wait_for_many_objects.
849 The return value is index to the signaled thread in the
850 creted_threads array. We can not use WAIT_TIMEOUT because
851 his value is defined as 258, thus limiting the MaxThreads
852 to that value. [Mladen Turk]
854 *) core: Do not allow internal redirects like the DirectoryIndex of mod_dir
855 to circumvent the symbolic link checks imposed by FollowSymLinks and
856 SymLinksIfOwnerMatch. [Nick Kew, Ruediger Pluem, William Rowe]
858 *) New SSLLogLevelDebugDump [ None (default) | IO (not bytes) | Bytes ]
859 configures the I/O Dump of SSL traffic, when LogLevel is set to Debug.
860 The default is none as this is far greater debugging resolution than
861 the typical administrator is prepared to untangle. [William Rowe]
863 *) mod_disk_cache: If possible, check if the size of an object to cache is
864 within the configured boundaries before actually saving data.
865 [Niklas Edmundsson <nikke acc.umu.se>]
867 *) mod_disk_cache: Delete temporary files if they cannot be renamed to their
868 final name. [Davi Arnaut <davi haxent.com.br>]
870 *) Worker and event MPMs: Remove improper scoreboard updates which were
871 performed in the event of a fork() failure. [Chris Darroch]
873 *) Add support for fcgi:// proxies to mod_rewrite.
874 [Markus Schiegl <ms schiegl.com>]
876 *) Remove incorrect comments from scoreboard.h regarding conditional
877 loading of worker_score structure with mod_status, and remove unused
878 definitions relating to old life_status field.
879 [Chris Darroch <chrisd pearsoncmg.com>]
881 *) Remove allocation of memory for unused array of lb_score pointers
882 in ap_init_scoreboard(). [Chris Darroch <chrisd pearsoncmg.com>]
884 *) Add mod_proxy_fcgi, a FastCGI back end for mod_proxy.
885 [Garrett Rooney, Jim Jagielski, Paul Querna]
887 *) Event MPM: Fill in the scoreboard's tid field. PR 38736.
888 [Chris Darroch <chrisd pearsoncmg.com>]
890 *) mod_charset_lite: Remove Content-Length when output filter can
891 invalidate it. Warn when input filter can invalidate it.
894 *) Authz: Add the new module mod_authn_core that will provide common
895 authn directives such as 'AuthType', 'AuthName'. Move the directives
896 'AuthType' and 'AuthName' out of the core module and merge mod_authz_alias
897 into mod_authn_core. [Brad Nicholes]
899 *) Authz: Move the directives 'Order', 'Allow', 'Deny' and 'Satisfy'
900 into the new module mod_access_compat which can be loaded to provide
901 support for these directives.
904 *) Authz: Move the 'Require' directive from the core module as well as
905 add the directives '<SatisfyAll>', '<SatisfyOne>', '<RequireAlias>'
906 and 'Reject' to mod_authz_core. The new directives introduce 'AND/OR'
907 logic into the authorization processing. [Brad Nicholes]
909 *) Authz: Add the new module mod_authz_core which acts as the
910 authorization provider vector and contains common authz
911 directives. [Brad Nicholes]
913 *) Authz: Renamed mod_authz_dbm authz providers from 'group' and
914 'file-group' to 'dbm-group' and 'dbm-file-group'. [Brad Nicholes]
916 *) Authz: Added the new authz providers 'env', 'ip', 'host', 'all' to handle
917 host-based access control provided by mod_authz_host and invoked
918 through the 'Require' directive. [Brad Nicholes]
920 *) Authz: Convert all of the authz modules from hook based to
921 provider based. [Brad Nicholes]
923 *) mod_cache: Add CacheMinExpire directive to set the minimum time in
924 seconds to cache a document.
925 [Brian Akins <brian.akins turner.com>, Ruediger Pluem]
927 *) mod_authz_dbd: SQL authz with Login/Session support [Nick Kew]
929 *) Fix typo in ProxyStatus syntax error message.
930 [Christophe Jaillet <christophe.jaillet wanadoo.fr>]
932 *) Asynchronous write completion for the Event MPM. [Brian Pane]
934 *) Added an End-Of-Request bucket type. The logging of a request and
935 the freeing of its pool are now done when the EOR bucket is destroyed.
936 This has the effect of delaying the logging until right after the last
937 of the response is sent; ap_core_output_filter() calls the access logger
938 indirectly when it destroys the EOR bucket. [Brian Pane]
940 *) Rewrite of logresolve support utility: IPv6 addresses are now supported
941 and the format of statistical output has changed. [Colm MacCarthaigh]
943 *) Rewrite of ap_coreoutput_filter to do nonblocking writes [Brian Pane]
945 *) Added new connection states for handler and write completion
948 *) mod_cgid: Refuse to work on Solaris 10 due to OS bugs. PR 34264.
951 *) Teach mod_ssl to use arbitrary OIDs in an SSLRequire directive,
952 allowing string-valued client certificate attributes to be used for
953 access control, as in: SSLRequire "value" in OID("1.3.6.1.4.1.18060.1")
954 [Martin Kraemer, David Reid]
956 [Apache 2.1.0-dev includes those bug fixes and changes with the
957 Apache 2.2.xx tree as documented, and except as noted, below.]
959 Changes with Apache 2.2.x and later:
961 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.2.x/CHANGES?view=markup
963 Changes with Apache 2.0.x and later:
965 *) http://svn.apache.org/viewvc/httpd/httpd/branches/2.0.x/CHANGES?view=markup
967 Changes with Apache 1.3.x and later:
969 *) http://svn.apache.org/viewvc/httpd/httpd/branches/1.3.x/src/CHANGES?view=markup